58% (1988)

55% (1990)

25% (1990)

30% (1993)

67% (1993)

56% (1986)

54% (1993)

42% (1994)

71% (1988)

48% (1992)

50% (1995)

0% (1989)

32% (1990)

49% (1990)

87% (2023)